Orders of magnitude (energy) - Wikipedia
10 6: Mega-(MJ) 1×10 6 J: Kinetic energy of a 2 tonne vehicle at 32 metres per second (115 km/h or 72 mph): 1.2×10 6 J: Approximate food energy of a snack such as a Snickers bar (280 food calories): 3.6×10 6 J = 1 kWh (kilowatt-hour) (used for electricity) 4.2×10 6 J: Energy released by explosion of 1 kilogram of TNT: 8.4×10 6 J: Recommended food energy intake per day for a moderately ...